netdev - [PATCH v4 net-next 16/16] sfc_ef100: implement ndo_get_phys_port

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Message-ID: <9c2ba7c3-f56c-6608-1a96-0d48b17e47b6@solarflare.com>
Date:   Fri, 24 Jul 2020 17:01:20 +0100
From:   Edward Cree <ecree@...arflare.com>
To:     <linux-net-drivers@...arflare.com>, <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>
Subject: [PATCH v4 net-next 16/16] sfc_ef100: implement
 ndo_get_phys_port_{id,name}

Signed-off-by: Edward Cree <ecree@...arflare.com>
---
 drivers/net/ethernet/sfc/ef100_netdev.c |  2 ++
 drivers/net/ethernet/sfc/ef100_nic.c    | 21 +++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/drivers/net/ethernet/sfc/ef100_netdev.c b/drivers/net/ethernet/sfc/ef100_netdev.c
index d1753ed7aaca..4c3caac2c8cc 100644
--- a/drivers/net/ethernet/sfc/ef100_netdev.c
+++ b/drivers/net/ethernet/sfc/ef100_netdev.c
@@ -208,6 +208,8 @@ static const struct net_device_ops ef100_netdev_ops = {
 	.ndo_open               = ef100_net_open,
 	.ndo_stop               = ef100_net_stop,
 	.ndo_start_xmit         = ef100_hard_start_xmit,
+	.ndo_get_phys_port_id   = efx_get_phys_port_id,
+	.ndo_get_phys_port_name = efx_get_phys_port_name,
 };
 
 /*	Netdev registration
diff --git a/drivers/net/ethernet/sfc/ef100_nic.c b/drivers/net/ethernet/sfc/ef100_nic.c
index 1161190391b1..6a00f2a2dc2b 100644
--- a/drivers/net/ethernet/sfc/ef100_nic.c
+++ b/drivers/net/ethernet/sfc/ef100_nic.c
@@ -403,6 +403,20 @@ static int ef100_reset(struct efx_nic *efx, enum reset_type reset_type)
 	return rc;
 }
 
+static int efx_ef100_get_phys_port_id(struct efx_nic *efx,
+				      struct netdev_phys_item_id *ppid)
+{
+	struct ef100_nic_data *nic_data = efx->nic_data;
+
+	if (!is_valid_ether_addr(nic_data->port_id))
+		return -EOPNOTSUPP;
+
+	ppid->id_len = ETH_ALEN;
+	memcpy(ppid->id, nic_data->port_id, ppid->id_len);
+
+	return 0;
+}
+
 static unsigned int ef100_check_caps(const struct efx_nic *efx,
 				     u8 flag, u32 offset)
 {
@@ -459,6 +473,8 @@ const struct efx_nic_type ef100_pf_nic_type = {
 	.rx_write = ef100_rx_write,
 	.rx_packet = __ef100_rx_packet,
 
+	.get_phys_port_id = efx_ef100_get_phys_port_id,
+
 	.reconfigure_mac = ef100_reconfigure_mac,
 
 	/* Per-type bar/size configuration not used on ef100. Location of
@@ -541,6 +557,11 @@ static int ef100_probe_main(struct efx_nic *efx)
 
 	efx->max_vis = EF100_MAX_VIS;
 
+	rc = efx_mcdi_port_get_number(efx);
+	if (rc < 0)
+		goto fail;
+	efx->port_num = rc;
+
 	rc = ef100_phy_probe(efx);
 	if (rc)
 		goto fail;